Pierre deposits $9,000 in a certificate of deposit that pays 8% interest, compounded semiannually. how much interest does the account earn in the first six months? what is the balance after six months?

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

What is the difference between the predicted value and the actual value

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?